libempathy-gtk/empathy-dialpad-widget.c

   1 /*
   2  * Copyright (C) 2011 Collabora Ltd.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of the
   7  * License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public
  15  * License along with this program; if not, write to the
  16  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
  17  * Boston, MA  02110-1301  USA
  18  *
  19  * Authors: Danielle Madeley <danielle.madeley@collabora.co.uk>
  20  */
  21
  22 #include <config.h>
  23
  24 #include <telepathy-glib/telepathy-glib.h>
  25
  26 #include "empathy-dialpad-widget.h"
  27
  28 G_DEFINE_TYPE (EmpathyDialpadWidget, empathy_dialpad_widget, GTK_TYPE_BOX);
  29
  30 enum /* signals */
  31 {
  32   START_TONE,
  33   STOP_TONE,
  34
  35   NUM_SIGNALS
  36 };
  37
  38 static guint signals[NUM_SIGNALS] = { 0, };
  39
  40 struct _EmpathyDialpadWidgetPrivate
  41 {
  42   GtkWidget *entry;
  43 };
  44
  45 static void
  46 empathy_dialpad_widget_class_init (EmpathyDialpadWidgetClass *klass)
  47 {
  48   GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
  49
  50   signals[START_TONE] = g_signal_new ("start-tone",
  51       G_TYPE_FROM_CLASS (klass),
  52       G_SIGNAL_RUN_LAST,
  53       0, NULL, NULL,
  54       g_cclosure_marshal_generic,
  55       G_TYPE_NONE,
  56       1, G_TYPE_UINT);
  57
  58   signals[STOP_TONE] = g_signal_new ("stop-tone",
  59       G_TYPE_FROM_CLASS (klass),
  60       G_SIGNAL_RUN_LAST,
  61       0, NULL, NULL,
  62       g_cclosure_marshal_generic,
  63       G_TYPE_NONE,
  64       1, G_TYPE_UINT);
  65
  66   g_type_class_add_private (gobject_class,
  67       sizeof (EmpathyDialpadWidgetPrivate));
  68 }
  69
  70 static gboolean
  71 dtmf_dialpad_button_pressed_cb (GtkWidget *button,
  72     GdkEventButton *event,
  73     EmpathyDialpadWidget *self)
  74 {
  75   GtkEntryBuffer *buffer = gtk_entry_get_buffer (GTK_ENTRY (self->priv->entry));
  76   TpDTMFEvent tone = GPOINTER_TO_UINT (g_object_get_data (
  77         G_OBJECT (button), "dtmf-value"));
  78   const gchar *label = g_object_get_data (G_OBJECT (button), "string-value");
  79
  80   g_signal_emit (self, signals[START_TONE], 0, tone);
  81
  82   gtk_entry_buffer_insert_text (buffer, -1, label, -1);
  83   gtk_editable_set_position (GTK_EDITABLE (self->priv->entry), -1);
  84
  85   return FALSE;
  86 }
  87
  88 static gboolean
  89 dtmf_dialpad_button_released_cb (GtkWidget *button,
  90     GdkEventButton *event,
  91     EmpathyDialpadWidget *self)
  92 {
  93   TpDTMFEvent tone = GPOINTER_TO_UINT (g_object_get_data (
  94         G_OBJECT (button), "dtmf-value"));
  95
  96   g_signal_emit (self, signals[STOP_TONE], 0, tone);
  97
  98   return FALSE;
  99 }
 100
 101 static void
 102 empathy_dialpad_widget_init (EmpathyDialpadWidget *self)
 103 {
 104   GtkWidget *grid;
 105   int i;
 106
 107   struct {
 108     const gchar *label;
 109     const gchar *sublabel;
 110     TpDTMFEvent event;
 111   } dtmfbuttons[] = { { "1", "",     TP_DTMF_EVENT_DIGIT_1 },
 112                       { "2", "abc",  TP_DTMF_EVENT_DIGIT_2 },
 113                       { "3", "def",  TP_DTMF_EVENT_DIGIT_3 },
 114                       { "4", "ghi",  TP_DTMF_EVENT_DIGIT_4 },
 115                       { "5", "jkl",  TP_DTMF_EVENT_DIGIT_5 },
 116                       { "6", "mno",  TP_DTMF_EVENT_DIGIT_6 },
 117                       { "7", "pqrs", TP_DTMF_EVENT_DIGIT_7 },
 118                       { "8", "tuv",  TP_DTMF_EVENT_DIGIT_8 },
 119                       { "9", "wxyz", TP_DTMF_EVENT_DIGIT_9 },
 120                       { "#", "",     TP_DTMF_EVENT_HASH },
 121                       { "0", "",     TP_DTMF_EVENT_DIGIT_0 },
 122                       { "*", "",     TP_DTMF_EVENT_ASTERISK },
 123                       { NULL, } };
 124
 125   self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, EMPATHY_TYPE_DIALPAD_WIDGET,
 126       EmpathyDialpadWidgetPrivate);
 127
 128   gtk_orientable_set_orientation (GTK_ORIENTABLE (self),
 129       GTK_ORIENTATION_VERTICAL);
 130   gtk_box_set_spacing (GTK_BOX (self), 3);
 131
 132   self->priv->entry = gtk_entry_new ();
 133   gtk_editable_set_editable (GTK_EDITABLE (self->priv->entry), FALSE);
 134
 135   gtk_box_pack_start (GTK_BOX (self), self->priv->entry, FALSE, FALSE, 3);
 136
 137   grid = gtk_grid_new ();
 138   gtk_grid_set_column_homogeneous (GTK_GRID (grid), TRUE);
 139   gtk_grid_set_row_homogeneous (GTK_GRID (grid), TRUE);
 140
 141   for (i = 0; dtmfbuttons[i].label != NULL; i++)
 142     {
 143       GtkWidget *vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
 144       GtkWidget *button = gtk_button_new ();
 145       GtkWidget *label;
 146       gchar *str;
 147
 148       gtk_container_add (GTK_CONTAINER (button), vbox);
 149
 150       /* main label */
 151       label = gtk_label_new ("");
 152       str = g_strdup_printf ("<span size='x-large'>%s</span>",
 153           dtmfbuttons[i].label);
 154       gtk_label_set_markup (GTK_LABEL (label), str);
 155       g_free (str);
 156
 157       gtk_box_pack_start (GTK_BOX (vbox), label, TRUE, TRUE, 3);
 158
 159       /* sub label */
 160       label = gtk_label_new ("");
 161       str = g_strdup_printf (
 162           "<span foreground='#555555'>%s</span>",
 163           dtmfbuttons[i].sublabel);
 164       gtk_label_set_markup (GTK_LABEL (label), str);
 165       g_free (str);
 166
 167       gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, TRUE, 0);
 168
 169       gtk_grid_attach (GTK_GRID (grid), button, i % 3, i / 3,
 170           1, 1);
 171
 172       g_object_set_data (G_OBJECT (button), "dtmf-value",
 173         GUINT_TO_POINTER (dtmfbuttons[i].event));
 174       g_object_set_data (G_OBJECT (button), "string-value",
 175           (gpointer) dtmfbuttons[i].label);
 176
 177       g_signal_connect (G_OBJECT (button), "button-press-event",
 178         G_CALLBACK (dtmf_dialpad_button_pressed_cb), self);
 179       g_signal_connect (G_OBJECT (button), "button-release-event",
 180         G_CALLBACK (dtmf_dialpad_button_released_cb), self);
 181     }
 182
 183   gtk_box_pack_start (GTK_BOX (self), grid, FALSE, FALSE, 3);
 184
 185   /* show everything but the packing box */
 186   gtk_widget_show_all (GTK_WIDGET (self));
 187   gtk_widget_hide (GTK_WIDGET (self));
 188 }
 189
 190 GtkWidget *
 191 empathy_dialpad_widget_new (void)
 192 {
 193   return g_object_new (EMPATHY_TYPE_DIALPAD_WIDGET, NULL);
 194 }